Louisiana CDL Practice Test: Tank - Test 5 2020

Directions: To obtain this endorsement for hauling any liquid or gaseous materials in a tank or tanks, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the Louisiana Commercial Driver Handbook. The Tanker Vehicles endorsement can be used with the Class A, B, or C CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Louisiana DMV locations.

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1. How many digits are identification numbers of hazardous materials?

Read the labels on the drug before driving.

Continue to drive.

Drive only during daylight hours.

Drink alcohol instead.

2. Baffles in liquid cargo tanks do not usually prevent the liquid surge movement from _______.

Advance warning of a right curve.

Advance warning of a low speed sharp left curve.

Advance warning of a winding road.

Road curves right, then turns left.

3. Typically, if a trailer is made before 1975 and equipped with air brakes, it will _________.

Change lanes

Increase your speed

Turn the wheel

Use your signal

4. Tanks can roll over easily because ____________.

When the car in front is disabled.

When passing to the right on a one-way street.

When turning left into a driveway.

When to do so would interfere with traffic.

5. The effects of liquid surge can be particularly dangerous for tankers driving on what type of surface?